diff --git a/sammy/src/acs/macs0.f90 b/sammy/src/acs/macs0.f90
index 889a18bbe56989efa9e334a008137fbbd401fab9..4349219efe68500e0eb2908dd375d9e985ca230b 100644
--- a/sammy/src/acs/macs0.f90
+++ b/sammy/src/acs/macs0.f90
@@ -54,8 +54,8 @@ module acs_m
       use exploc_urr_common_m
       use z00001_common_m
       use AllocateFunctions_m
-      use acs1
-      use acs5
+      use acs1_m
+      use acs5_m
       use SammyFlowControl_M, only : fitOption, Where_To_Next, urr_calc
       IMPLICIT DOUBLE PRECISION (a-h,o-z)
       real(kind=8),allocatable,dimension(:)::A_Idm
diff --git a/sammy/src/acs/macs1.f90 b/sammy/src/acs/macs1.f90
index 0928a8681ecf294d99aaa5dff754e15f0f0b373e..7d06587aa025a92de1c224d2c7793e74893d9215 100644
--- a/sammy/src/acs/macs1.f90
+++ b/sammy/src/acs/macs1.f90
@@ -1,5 +1,5 @@
 !
-module acs1
+module acs1_m
   contains
 !
 ! ______________________________________________________________________
@@ -85,10 +85,10 @@ module acs1
       use fixedr_m
       use exploc_urr_common_m
       use constn_common_m
-      use acs2
-      use acs3
-      use acs4
-      use acs6
+      use acs2_m
+      use acs3_m
+      use acs4_m
+      use acs6_m
       use fit1
       IMPLICIT DOUBLE PRECISION (a-h,o-z)
 !
@@ -171,8 +171,8 @@ module acs1
       use exploc_urr_common_m
       use lbro_common_m
       use constn_common_m
-      use acs2
-      use acs3
+      use acs2_m
+      use acs3_m
       IMPLICIT DOUBLE PRECISION (a-h,o-z)
 !
       DIMENSION Eeeset(*), Theory(*), Theorl(Numelv,*), &
@@ -238,4 +238,4 @@ module acs1
 !
       RETURN
       END
-end module acs1
\ No newline at end of file
+end module acs1_m
\ No newline at end of file
diff --git a/sammy/src/acs/macs2.f90 b/sammy/src/acs/macs2.f90
index 1f0a5430ed3f4aab71e2b2640115eca953271378..64b5346dfdc2e06d40d13cf4b35dd8585112852e 100644
--- a/sammy/src/acs/macs2.f90
+++ b/sammy/src/acs/macs2.f90
@@ -1,5 +1,5 @@
 !
-module acs2
+module acs2_m
    contains
 !
 ! ______________________________________________________________________
@@ -199,9 +199,9 @@ module acs2
       WRITE (6,10300) (Engurr(K),K=1,Numurr)
 10300 FORMAT (1P5G14.6)
       WRITE (21,10400)
-10400 FORMAT ('STOP in Find_Urr in acs/macs2.f')
+10400 FORMAT ('STOP in Find_Urr in acs/macs2_m.f')
       WRITE (21,10100)
       WRITE (6,10100)
-      STOP '[STOP in Find_Urr in acs/macs2.f]'
+      STOP '[STOP in Find_Urr in acs/macs2_m.f]'
       END
-end module acs2
+end module acs2_m
diff --git a/sammy/src/acs/macs3.f90 b/sammy/src/acs/macs3.f90
index b4990d32dc41ba9ff74a307922c536fce22566fc..0c3554c9f90309aab352db4b92617fb8c489c2d8 100644
--- a/sammy/src/acs/macs3.f90
+++ b/sammy/src/acs/macs3.f90
@@ -1,5 +1,5 @@
 !
-module acs3
+module acs3_m
   contains
 !
 ! ______________________________________________________________________
@@ -19,9 +19,9 @@ module acs3
       use z00001_common_m
       use constn_common_m
       use Endepx_common_m
-      use acs2
-      use acs4
-      use acs6
+      use acs2_m
+      use acs4_m
+      use acs6_m
       IMPLICIT DOUBLE PRECISION (a-h,o-z)
       CHARACTER*4 Type(5)
       CHARACTER*1 Pm
@@ -314,7 +314,7 @@ module acs3
 !         Wav COMPUTES THE WIDTH FLUCTUATION AVERAGE AND ITS DERIVATIVES
 !
       use ifwrit_m
-      use acs7
+      use acs7_m
       IMPLICIT DOUBLE PRECISION (a-h,o-z)
       CHARACTER*4 Type(5)
       DIMENSION Aelast(7,*), Ainela(7,*)
@@ -457,6 +457,6 @@ module acs3
 10500 FORMAT ('Bi=', 1P5G14.6)
 10600 FORMAT ('Af=', 1P5G14.6)
 10700 FORMAT ('Bf=', 1P5G14.6)
-      STOP '[STOP in Dint in acs/macs3.f]'
+      STOP '[STOP in Dint in acs/macs3_m.f]'
       END
-end module acs3
+end module acs3_m
diff --git a/sammy/src/acs/macs4.f90 b/sammy/src/acs/macs4.f90
index ea5b9bfcb46380acbfe9f2b749c282d586429ba5..a696dd5d85e50321f88c62bd0ad1e93adc6c0956 100644
--- a/sammy/src/acs/macs4.f90
+++ b/sammy/src/acs/macs4.f90
@@ -1,5 +1,5 @@
 !
-module acs4
+module acs4_m
    contains
 !
 ! ______________________________________________________________________
@@ -10,7 +10,7 @@ module acs4
       use fixedr_m
       use z00001_common_m
       use constn_common_m
-      use acs6
+      use acs6_m
       use xxx2
       use xxx5
       IMPLICIT DOUBLE PRECISION (a-h,o-z)
@@ -76,7 +76,7 @@ module acs4
       use fixedr_m
       use z00001_common_m
       use constn_common_m
-      use acs6
+      use acs6_m
       use xxx2
       use xxx5
       IMPLICIT DOUBLE PRECISION (a-h,o-z)
@@ -316,7 +316,7 @@ module acs4
       use fixedr_m
       use z00001_common_m
       use Endepx_common_m
-      use acs6
+      use acs6_m
       IMPLICIT DOUBLE PRECISION (a-h,o-z)
       DIMENSION Y(21)
       DATA Nnnyyy /21/
@@ -376,7 +376,8 @@ module acs4
       DATA Type /'TOTA', 'INEL', 'FISS', 'CAPT', 'ELAS'/
       DATA Zero /0.0d0/, One /1.0d0/
       
-      ! JMB: data grids set up in fff
+      ! data grids were set up in fff module (Fritz Frohner's Fitacs)
+      ! TODO: maybe change when moving to general 0 K xs calc
       call expData%getGrid(grid,Iset)
       dataInd = grid%getDataColumn()
       theoInd = dataInd+1
@@ -433,7 +434,8 @@ module acs4
                END DO
             END IF
 
-            ! --- JMB: fill C++ memory to be used in fitAPI -------------------
+            ! --- fill C++ memory to be used in fitAPI -------------------
+            ! TODO: Bring FitAcs into the 0k_reconstruction framework
             call grid%addData(Ienerg,1,Energy)
             call grid%addData(Ienerg,dataInd,Sx(Ienerg))
             call grid%addData(Ienerg,theoInd,Theory(Ienerg))
@@ -568,4 +570,4 @@ module acs4
       END IF
       RETURN
       END
-end module acs4
+end module acs4_m
diff --git a/sammy/src/acs/macs5.f90 b/sammy/src/acs/macs5.f90
index 6d6fc5e39a3036103880a5a1ae6ac49fdb8668d5..4b11e1af4617595c11e53de4617b59b00801d012 100644
--- a/sammy/src/acs/macs5.f90
+++ b/sammy/src/acs/macs5.f90
@@ -1,5 +1,5 @@
 !
-module acs5
+module acs5_m
   contains
 !
 ! ______________________________________________________________________
@@ -162,7 +162,7 @@ module acs5
 !
       IF (Kdtset.GT.40) WRITE (6,10000) Kdtset
 10000 FORMAT ('Kdtset=',I10, 'but have only 40')
-      IF (Kdtset.GT.40) STOP '[STOP in Plott2 in acs/macs5.f]'
+      IF (Kdtset.GT.40) STOP '[STOP in Plott2 in acs/macs5_m.f]'
 !
       New = 0
       Kkkkev = Keveng
@@ -175,7 +175,7 @@ module acs5
       ELSE
          WRITE (6,10200) Keveng
 10200    FORMAT ('Keveng=',I10)
-         STOP '[STOP in Plott2 in acs/macs5.f   # 2]'
+         STOP '[STOP in Plott2 in acs/macs5_m.f   # 2]'
       END IF
       Nsntyp = 0
       DO Iset=1,Kdtset
@@ -191,7 +191,7 @@ module acs5
                WRITE (6,10100) I, E(I,Iset), Dum(I), Ee, Ooo
                WRITE (21,10100) I, E(I,Iset), Dum(I), Ee, Ooo, De
 10100          FORMAT (' E, Dum, Ee=', I5, 1P5G14.6)
-               STOP '[STOP in Plott2 in acs/macs5.f    # 2]'
+               STOP '[STOP in Plott2 in acs/macs5_m.f    # 2]'
             END IF
          END DO
 !
@@ -293,7 +293,7 @@ module acs5
 !
   200 WRITE (6,99996) Summry
 99996 FORMAT (' ENDF file name is wrong: ##', A70, '##')
-      STOP '[STOP in Make_File_3_Urr in acs/macs5.f]'
+      STOP '[STOP in Make_File_3_Urr in acs/macs5_m.f]'
       END
 
-end module acs5
+end module acs5_m
diff --git a/sammy/src/acs/macs6.f90 b/sammy/src/acs/macs6.f90
index f2a68441fd45a7ad3f3e122e2c83d8ffae2b2122..93373b86d7d161c14cc29345a228ecd587d7fa7d 100644
--- a/sammy/src/acs/macs6.f90
+++ b/sammy/src/acs/macs6.f90
@@ -1,5 +1,5 @@
 !
-module acs6
+module acs6_m
    contains
 !
 ! ______________________________________________________________________
@@ -115,4 +115,4 @@ module acs6
       RETURN
       end function Kwhich
 
-end module acs6
+end module acs6_m
diff --git a/sammy/src/acs/macs7.f90 b/sammy/src/acs/macs7.f90
index 2da114e01e48d4617c7a3febc14a87fd23b16add..46fb468c87613dbadce407de504f91d3fca7d1b5 100644
--- a/sammy/src/acs/macs7.f90
+++ b/sammy/src/acs/macs7.f90
@@ -1,5 +1,5 @@
 !
-module acs7
+module acs7_m
    contains
 !
 ! ______________________________________________________________________
@@ -367,4 +367,4 @@ module acs7
       RETURN
       end function Getfff
 
-end module acs7
\ No newline at end of file
+end module acs7_m
\ No newline at end of file
diff --git a/sammy/src/dat/mdat0.f90 b/sammy/src/dat/mdat0.f90
index 9b1e6204ac02a7284d5df861b025b1ce6192e6fe..b796e12f02a72d718d3dcca14c6c5ea86e06d1b1 100644
--- a/sammy/src/dat/mdat0.f90
+++ b/sammy/src/dat/mdat0.f90
@@ -129,7 +129,7 @@ module Samdat_0_M
 !  If a second grid (if it exists) is the auxilary grid
 !
       call expData%destroy()
-      call expData%initialize() ! why is this happening here?
+      call expData%initialize() ! we do this to make sure it's empty
 
       call grid%initialize()
 
diff --git a/sammy/src/end/mout5.f b/sammy/src/end/mout5.f
index e43cea9c586e8523a380a70a5c147e7c9dacfb4d..c502d27875ad0e395535c59a9a5cf120e3a6ff5b 100644
--- a/sammy/src/end/mout5.f
+++ b/sammy/src/end/mout5.f
@@ -15,7 +15,7 @@ C
       use fixedr_m
       use constn_common_m
       use EndfData_common_m, only : radFitFlags
-      use acs6
+      use acs6_m
       IMPLICIT DOUBLE PRECISION (a-h,o-z)
 C
       DIMENSION Anrm(3,*), Dnrm(3,*), Kktype(*), Edirin(*), Sdirin(*),
diff --git a/sammy/src/fff/mfff0.f90 b/sammy/src/fff/mfff0.f90
index 33d24534f29ff9efa6181815b42701d672b85dab..f9809757a726deb042778e8430ec84dd39f300ce 100644
--- a/sammy/src/fff/mfff0.f90
+++ b/sammy/src/fff/mfff0.f90
@@ -197,7 +197,7 @@ module fff_m
       CALL Adjust_Fff (A_Kkkkex , A_Kkspin , A_Kkkpty )
 !
 ! *** Read the cross section data
-      ! JMB: also set up C++ mem. GridDataList
+      ! also set up C++ mem. GridDataList
       CALL Acsinp (I_Kkktyp , I_Kkkknt , A_Kkkkex , A_Keeset , &
          A_Kssset , A_Kuuset , A_Kwwset )
       CLOSE (UNIT=15)
@@ -302,7 +302,7 @@ module fff_m
 !
       use fixedi_m
       use z00001_common_m
-      use acs6
+      use acs6_m
       IMPLICIT DOUBLE PRECISION (a-h,o-z)
       DIMENSION Spin(*), Pty(*)
       DATA Zero /0.0d0/, Two /2.0d0/
diff --git a/sammy/src/fff/mfff9.f90 b/sammy/src/fff/mfff9.f90
index 354f1bca46a727afe76f9fda2cb1018bae4210a3..6aa76adb31ef63ad224cf970d57f640e0cf1118f 100644
--- a/sammy/src/fff/mfff9.f90
+++ b/sammy/src/fff/mfff9.f90
@@ -34,7 +34,7 @@ module fff9_m
       IF (Kpntws.NE.0) numDataSets = Kpntws
       DO I=1,numDataSets
          ! ----------------------------------
-         ! JMB: add grids to the gridDataList
+         ! add grids to the gridDataList
          ! ----------------------------------
          call expGrid%initialize()
          dataInd = 2  ! 2 since angle-integrated and no time-shift (URR)
diff --git a/sammy/src/lru/mlru1.f b/sammy/src/lru/mlru1.f
index 218f20f8becd72c3f097ae7950eb886b33c64b96..f9a58782b7664928487e0960bbb2f7746d1a58ec 100644
--- a/sammy/src/lru/mlru1.f
+++ b/sammy/src/lru/mlru1.f
@@ -14,7 +14,7 @@ C
       use namfil_common_m
       use constn_common_m
       use EndfData_common_m, only : radFitFlags
-      use acs6
+      use acs6_m
       IMPLICIT DOUBLE PRECISION (a-h,o-z)
 C
       DIMENSION Streng(Numelv,*), Distnt(Numelv,*), Gg(Numelv,*),
diff --git a/sammy/src/lru/mlru2.f b/sammy/src/lru/mlru2.f
index 2d7b3c0df0400e8329bd6137ac51076210268a9f..9b5af552ff36d0a8333b2c190e68ee5705f8f855 100644
--- a/sammy/src/lru/mlru2.f
+++ b/sammy/src/lru/mlru2.f
@@ -16,8 +16,8 @@ C
       use constn_common_m
       use EndfData_common_m
       use EndfData_common_m, only : radFitFlags
-      use acs4
-      use acs6
+      use acs4_m
+      use acs6_m
       IMPLICIT DOUBLE PRECISION (a-h,o-z)
 C
       DIMENSION Streng(Numelv,*), Distnt(Numelv,*), Gg(Numelv,*),
@@ -181,7 +181,7 @@ C
       use ifwrit_m
       use fixedr_m
       use constn_common_m
-      use acs6
+      use acs6_m
       IMPLICIT DOUBLE PRECISION (a-h,o-z)
 C
       DIMENSION Bindee(*), Pairee(*), Alevel(*), Jderiv(2,*),Xderiv(2,*)
@@ -419,7 +419,7 @@ C
       use constn_common_m
       use EndfData_common_m
       use ResonanceCovariance_M
-      use acs6
+      use acs6_m
       IMPLICIT DOUBLE PRECISION (a-h,o-z)
 C
       DIMENSION Streng(Numelv,*), Distnt(Numelv,*), Ex(*), Spin(*),
diff --git a/sammy/src/sam/sammy_api_m.f90 b/sammy/src/sam/sammy_api_m.f90
index c337a5929bde2d29623a2d7cf92acd17a555bdfd..3f3cbee868fc2c4ae4567cedc424310c9b95c83e 100755
--- a/sammy/src/sam/sammy_api_m.f90
+++ b/sammy/src/sam/sammy_api_m.f90
@@ -110,7 +110,7 @@ contains
 
         ! now get to first theory part
 
-
+        ! TODO: Add unresolved calc to 0K framework
         if( urr_calc ) then
             call sammy_do_segments('genfit')
         else